Move autocomplete-to-panel javascript into multi-up item grid block.
Don't attempt to render item+text blocks that have been saved with a blank ID.
Merge pull request #660 from sul-dlss/st-panels

Move autocomplete-to-panel javascript into multi-up item grid block.
Merge pull request #661 from sul-dlss/item-text-fix

Don't attempt to render item+text blocks that have been saved with a...
Change ruby 2.1.0 version requirement for travis.
Merge pull request #666 from sul-dlss/travis-fix

Change ruby 2.1.0 version requirement for travis.
Make the read-only sort option (Relevance) disabled.